是(shi)指用于電(dian)(dian)力系統(tong)發電(dian)(dian)、輸(shu)(shu)電(dian)(dian)、配電(dian)(dian)、電(dian)(dian)能轉(zhuan)換和(he)消(xiao)耗中起(qi)(qi)通斷、控制(zhi)或保護等(deng)(deng)作(zuo)用，電(dian)(dian)壓(ya)(ya)(ya)(ya)等(deng)(deng)級在3.6kV~550kV的電(dian)(dian)器(qi)(qi)產(chan)品(pin)，主要包括高壓(ya)(ya)(ya)(ya)斷路(lu)器(qi)(qi)、高壓(ya)(ya)(ya)(ya)隔離(li)開(kai)關(guan)與(yu)接地開(kai)關(guan)、高壓(ya)(ya)(ya)(ya)負荷開(kai)關(guan)、高壓(ya)(ya)(ya)(ya)自(zi)動(dong)重合與(yu)分(fen)段(duan)器(qi)(qi)、高壓(ya)(ya)(ya)(ya)操作(zuo)機構(gou)、高壓(ya)(ya)(ya)(ya)防爆配電(dian)(dian)裝(zhuang)置和(he)高壓(ya)(ya)(ya)(ya)開(kai)關(guan)柜等(deng)(deng)幾大(da)類。高壓(ya)(ya)(ya)(ya)開(kai)關(guan)制(zhi)造(zao)業是(shi)輸(shu)(shu)變電(dian)(dian)設備制(zhi)造(zao)業的重要組(zu)成(cheng)部分(fen)，在整個電(dian)(dian)力行(xing)業中起(qi)(qi)著非常重要的作(zuo)用。

功(gong)能：寧(ning)夏(xia)高低壓開(kai)(kai)關柜設備(bei)具有架空訪問線，電(dian)(dian)纜入(ru)口/出口線和總線連接(jie)的功(gong)能。應用范圍：主要用于發電(dian)(dian)廠，變電(dian)(dian)站(zhan)，電(dian)(dian)力(li)系統變電(dian)(dian)站(zhan)，石油化(hua)工產(chan)品，冶金(jin)用軋鋼，輕工業(ye)纖維(wei)，工廠礦山，居民區，高層(ceng)建(jian)筑(zhu)等場(chang)所。配(pei)置(zhi)：寧(ning)夏(xia)高低壓開(kai)(kai)關柜必(bi)須滿足相關要求(qiu)，交流金(jin)屬(shu)封閉開(kai)(kai)關柜由兩(liang)部分組成(cheng)：柜體(ti)和斷(duan)路器柜體(ti)，殼體(ti)，電(dian)(dian)氣元件（包括絕(jue)緣層(ceng)），各種機構，次級(ji)端(duan)子和連接(jie)。